Compressive Sensing in Signal Processing: Algorithms and Transform Domain Formulations

Algorithm 4

Iterative hard thresholding.

Input:

 ▸ Transform matrix , Measurement matrix

 ▸ CS matrix A:

 ▸ Measurement vector y

 ▸ K being the signal sparsity

Output:

 ▸  -sparse approximation

()

() while stopping criterion do

()

()

() end while

()

() return